Bug Summary: When mana is getting low on tempar (around 200) wings very often take mana but dont work ,for eg i had 190 mana ,used wings ,had 25 mana left ,they didint work ,so i waited till i got 220 mana ,tried them again ,same ate mana ,didint work ,had to waot for mana to get to 250 to make them finally work

Steps to Reproduce:

Lower mana too 180-240 and try using wings

Additional Information:

I know this bug was on closed beta forever but it seems to be gettign worse ,on closed beta 190 mana was safe for me ,but now 240 gets bugged.